CN101758669A - Printing apparatus - Google Patents

Printing apparatus Download PDF

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Publication number
CN101758669A
CN101758669A CN200910226193A CN200910226193A CN101758669A CN 101758669 A CN101758669 A CN 101758669A CN 200910226193 A CN200910226193 A CN 200910226193A CN 200910226193 A CN200910226193 A CN 200910226193A CN 101758669 A CN101758669 A CN 101758669A
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CN
China
Prior art keywords
pressing plate
parts
medium
boundary line
bearing
Prior art date
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Pending
Application number
CN200910226193A
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Chinese (zh)
Inventor
金田秀将
白泽和范
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Seiko Epson Corp
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Seiko Epson Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Seiko Epson Corp filed Critical Seiko Epson Corp
Publication of CN101758669A publication Critical patent/CN101758669A/en
Pending legal-status Critical Current

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J11/00—Devices or arrangements  of selective printing mechanisms, e.g. ink-jet printers or thermal printers, for supporting or handling copy material in sheet or web form
    • B41J11/0015—Devices or arrangements  of selective printing mechanisms, e.g. ink-jet printers or thermal printers, for supporting or handling copy material in sheet or web form for treating before, during or after printing or for uniform coating or laminating the copy material before or after printing
    • B41J11/002—Curing or drying the ink on the copy materials, e.g. by heating or irradiating
    • B41J11/0022—Curing or drying the ink on the copy materials, e.g. by heating or irradiating using convection means, e.g. by using a fan for blowing or sucking air
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J11/00—Devices or arrangements  of selective printing mechanisms, e.g. ink-jet printers or thermal printers, for supporting or handling copy material in sheet or web form
    • B41J11/02—Platens
    • B41J11/06—Flat page-size platens or smaller flat platens having a greater size than line-size platens

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  • Handling Of Sheets (AREA)
  • Ink Jet (AREA)

Abstract

An object of the invention is that it provides a printing apparatus capable of reducing irregularity in the temperature of a printing medium in a width direction with respect to a transport direction, when the printing medium being transported is heated. A printing apparatus includes: a medium holding unit which is divided into a plurality of members to form a holding surface and holds a printing medium being transported on the holding surface; a heat transfer type first heating unit which is disposed in the medium holding unit and heats the printing medium held by the medium holding unit; and a printing head which performs printing by ejecting ink onto the printing medium. Boundaries formed by gaps between the plurality of members on the holding surface of the medium holding unit are curved in both a transport direction and a width direction of the printing medium so as not to be in a straight line shape in the transport direction.

Description

Tape deck
Technical field
The present invention relates to tape deck, this tape deck possesses: the medium support, and it is divided into a plurality of parts, forms bearing-surface by these a plurality of each parts, the printing medium that utilizes above-mentioned bearing-surface supporting to be sent here; Hot conduction-type heating arrangements, it is arranged at this medium support, and the printing medium that is supported on this medium support is heated; Record head, it is to the printing medium ejection ink line item of going forward side by side.
In this application, tape deck comprises ink-jet printer, kinds such as line dot printing machine, laser printer, line printer, duplicator, facsimile machine.
Background technology
In the past, as described in the patent documentation 1, recording medium possessed record head, as the pressing plate of medium support, as the heater of hot conduction-type heating arrangements.
At this, " hot conduction-type " is meant that inside by object is from the mode of high-temperature portion to low-temp. portion heat conduction.That is, be the mode that contacts heat conduction as the above-mentioned pressing plate of object and paper as an example of printing medium.Be called " contact ".
Wherein, above-mentioned record head is arranged to spray ink to paper and is carried out record.In addition, it is relative with above-mentioned record head that above-mentioned pressing plate is arranged to, can be from the rear support paper.
And then above-mentioned heater is arranged on and supports a side opposition side of the paper of above-mentioned pressing plate, constitutes and can heat the paper on this pressing plate via above-mentioned pressing plate.It is drying for the ink that promotes to be ejected into paper that paper on this pressing plate is heated.In addition, therefore above-mentioned pressing plate is made of a plurality of parts owing to the heat of heater expands.And the boundary line between adjacent parts is provided with a plurality of gaps.Thereby, can absorb the amount that expands in enough this gaps, can prevent the whole perk of above-mentioned pressing plate.As a result, can make stable distance between above-mentioned pressing plate and the above-mentioned record head.
Figure 11 (A) is (B) represented to be figure as the pressing plate of an example of prior art.Wherein, Figure 11 (A) is the vertical view of the summary of expression pressing plate.On the other hand, Figure 11 (B) is the figure of the temperature of the expression paper corresponding with the position of the width of the pressing plate shown in Figure 11 (A).
In addition, the longitudinal axis is represented temperature.On the other hand, transverse axis is represented the position of the paper corresponding with the position of the width of pressing plate.
Like that, the pressing plate 200 of prior art is made of first parts 201, second parts 202 and the 3rd parts 203 shown in Figure 11 (A).And the boundary line 204,204 between adjacent separately parts is provided with gap 205, and is fixed on by screw on the plate-shaped member not shown in the figures of below of screwed hole 206,206....In addition, the heater that the paper on the pressing plate 200 is heated (not shown) is installed in the mode that is clipped between pressing plate 200 and the plate-shaped member (not shown).And then boundary line 204,204 constitutes the linearity with respect to throughput direction Y inclination.
Shown in Figure 11 (A), (B), if paper passes through pressing plate 200 at throughput direction, then owing to being heated, so temperature rises by heater.
At this, in Figure 11 (B), dotted line is represented is temperature by the paper of the state before the pressing plate 200.On the other hand, solid line is represented be by after the temperature of paper of state.Under by the state before the pressing plate 200, the temperature of paper is uniform at width X.
And, when paper at throughput direction Y when the pressing plate 200, the heat of heater can be delivered to paper via pressing plate 200.Thereby, the temperature of paper is risen.
No. 3839316 communiques of [patent documentation 1] Japan Patent
But the level of the temperature of the paper by regional N width X, that be provided with boundary line 204,204 is compared remarkable reduction with the level of the temperature of the paper of regional M by boundary line 204,204 is not set.In addition, the deviation of the scope that scope that the level of the temperature of paper is low and level are high is big.
Regional M, N to width X describe.
At this, regional M is the zone that does not have boundary line 204 at throughput direction Y.On the other hand, regional N is the zone that boundary line 204 is arranged at throughput direction Y.
The paper of regional M by width X, owing to be not subjected to the influence in the gap 205 of boundary line 204, so be easy to accept heat.Thereby the temperature of the paper by regional M becomes than higher temperature.
On the other hand, the paper by regional N passes through boundary line 204 with respect to the mode of the gap L of the composition on throughput direction Y of the boundary line 204 of throughput direction Y inclination at throughput direction Y with leap.During passing through in the mode of this leap, paper becomes not and pressing plate 200 state of contact, so be difficult to be subjected to heat.Thereby the paper by regional N is with to compare temperature by the paper of regional M low.In addition, the gap L of the throughput direction Y composition ratio shared with respect to the length of the throughput direction Y of pressing plate 200 is big more, and the level difference of temperature is big more.
In addition, boundary line 204 is big more with respect to the inclination of throughput direction Y, and temperature becomes low more in the scope of broadness.That is, the level of temperature is different in wider scope.
Thereby, might promote temperature inequality and the uneven drying of width X.The variable color inequality of the ink that in addition, might the Yin Wendu inequality causes.
In addition, do not tilt with respect to throughput direction Y in the boundary line and constitute abreast under the situation of a linearity too with throughput direction Y.In this case, the level difference of temperature becomes remarkable.
And then, under the situation of boundary line 204, when the end of paper is positioned on the boundary line, might produces this end and be stuck in boundary line 204, the diagonal of paper integral body, the situation of the so-called paper folding of the end warpage of paper with respect to throughput direction Y inclination.
Summary of the invention
The present invention finishes in view of this situation, and it is a kind of when the printing medium that is transferred is heated that its problem is to provide, and can reduce the tape deck with respect to the deviation of the temperature of the printing medium of the width of throughput direction.
In order to reach above-mentioned problem, the tape deck of first mode of the present invention is characterized in that, possesses: the medium support, and it is divided into a plurality of parts, forms bearing-surface by these a plurality of each parts, the printing medium that utilizes above-mentioned bearing-surface supporting to carry; Hot conduction-type first heating arrangements, it is arranged at this medium support, and the printing medium that is supported on this medium support is heated; And record head, it is to the printing medium ejection ink line item of going forward side by side, on the above-mentioned bearing-surface of above-mentioned medium support, the boundary line that forms by the gap between above-mentioned a plurality of parts, the throughput direction and the width ground that have both printing medium constitute so that the mode that does not become a linearity on throughput direction is crooked.
At this, " hot conduction-type " is mode from high-temperature portion to low-temp. portion that transmit heat by the inside of object from.That is be to contact the mode of transmitting heat with printing medium, by object.Also be called " contact ".
According to first mode of the present invention, on the above-mentioned bearing-surface of above-mentioned medium support, by the boundary line that the gap between above-mentioned a plurality of parts forms, have both the throughput direction and the width ground of printing medium, constitute so that the mode that does not become a linearity on throughput direction is crooked.Thereby, at the above-mentioned bearing-surface of above-mentioned medium support, can reduce the privileged site of throughput direction composition on width of the boundary line between above-mentioned a plurality of parts and concentrate.That is, can be at the throughput direction composition that disperses the boundary line between above-mentioned a plurality of parts on the width.
As a result, while be heated when passing through above-mentioned medium support when printing medium, can reduce the deviation of the temperature of the printing medium on the width.That is, on width, thereby can prevent to produce is difficult to transmit the temperature that heat makes printing medium and compares significantly low scope with other.And, can reduce temperature inequality and uneven drying on the width.In addition, can reduce the variable color inequality of the ink that causes by the temperature inequality.
And then above-mentioned boundary line does not constitute with respect to throughput direction.Thereby, when the end of printing medium is positioned on the above-mentioned boundary line, does not worry producing this end and be stuck in the boundary line, the diagonal of printing medium integral body, the situation of the so-called paper folding of the end warpage of printing medium.
Second mode of the present invention, on the basis of first mode, it is characterized in that, has convection type second heating arrangements at described medium support, this above-mentioned convection type second heating arrangements blows warm braw via the gap between above-mentioned a plurality of parts of above-mentioned boundary line to the printing medium on the above-mentioned bearing-surface.
At this, " convection type " is the mode of transmitting heat by the fluid of gas, liquid etc.
According to second mode of the present invention, except with the same action effect of above-mentioned first mode, also has convection type second heating arrangements at above-mentioned medium support, this above-mentioned convection type second heating arrangements blows warm braw via the gap between above-mentioned a plurality of parts of above-mentioned boundary line to the printing medium on the above-mentioned bearing-surface.Thereby, can utilize convection type that heat is carried at the position relative with above-mentioned gap of printing medium energetically.As a result, can reduce or eliminate temperature poor at the temperature at the position relative of printing medium and not relative position with above-mentioned gap.That is, can reduce or eliminate the deviation of the temperature of printing medium.
Third Way of the present invention on the basis of second mode, is characterized in that, possesses: a plurality of attractions hole that is arranged on the above-mentioned bearing-surface of above-mentioned medium support; With via this attraction hole with the air of the above-mentioned bearing-surface side of above-mentioned medium support to attraction mechanism that an opposite side draught with this bearing-surface draws, above-mentioned convection type second heating arrangements, exhaust when utilization attracts by the air of above-mentioned hot conduction-type first heating arrangements heating by above-mentioned attraction mechanism, and printing medium is blown warm braw via the gap of above-mentioned boundary line.
According to Third Way of the present invention, except with the same action effect of above-mentioned second mode, exhaust when the above-mentioned convection type second heating arrangements utilization attracts by the air of above-mentioned hot conduction-type first heating arrangements heating by above-mentioned attraction mechanism, and printing medium is blown warm braw via the gap of above-mentioned boundary line.Thereby not waste.In addition, except above-mentioned attraction mechanism, do not need to be provided with in addition other mechanisms.That is, structure is comparatively reasonable.
Cubic formula of the present invention on the basis of any mode first to the 3rd, is characterized in that, at above-mentioned medium support, above-mentioned first heating arrangements is from fixing with the opposite side screw of above-mentioned bearing-surface of above-mentioned medium support.
According to cubic formula of the present invention, except with the same action effect of the mode of any record of first to the 3rd, above-mentioned first heating arrangements is from fixing with the opposite side screw of above-mentioned bearing-surface of above-mentioned medium support.Thereby the above-mentioned bearing-surface side at above-mentioned medium support can not produce useless concavo-convex or space.
Make under the situation fixing from above-mentioned bearing-surface side screw in hypothesis, the fixing position of screw becomes concavity, and heat is difficult to be transmitted.For so-called smooth, consider cover to be set at the fixing position of screw.In this case, owing to the useless space of generation below cover, so heat is difficult to be transmitted.
Therefore, in the manner, as mentioned above, adopted above-mentioned first heating arrangements from the fixing structure of an opposite side screw with above-mentioned bearing-surface of above-mentioned medium support.
As a result, do not worry producing the position that heat is difficult to conduct.That is, can transmit heat equably to printing medium.
The 5th mode of the present invention on the basis of the mode of any record first to fourth, is characterized in that, the position beyond the gap of the above-mentioned boundary line in the above-mentioned bearing-surface of above-mentioned medium support is formed in the smooth even surface on the one side.
According to the 5th mode of the present invention, except with the same action effect of the mode of any record of first to fourth, position beyond the gap of the above-mentioned boundary line in the above-mentioned bearing-surface of above-mentioned medium support is formed in the smooth even surface on the one side.Thereby, the position beyond the gap of above-mentioned boundary line, above-mentioned bearing-surface can with contact with being touched homogeneous media.As a result, the position beyond the gap of above-mentioned boundary line can be heated printing medium equably.
Description of drawings is as follows:
Fig. 1 is the side view of summary of the integral body of the tape deck that the present invention relates to of expression.
Fig. 2 (A) is the vertical view and the front section view of the summary of expression pressing plate of the present invention (B).
Fig. 3 (A) is the figure of temperature of the coil paper of expression vertical view of pressing plate of the present invention and corresponding position (B).
Fig. 4 is the vertical view of summary of the pressing plate of other embodiment 1 of expression.
Fig. 5 (A) is the vertical view of summary of the pressing plate of other embodiment 2 of expression (B).
Fig. 6 is the front section view of summary of the pressing plate of other embodiment 3 of expression.
Fig. 7 is the front section view of summary of the pressing plate of other embodiment 4 of expression.
Fig. 8 is the front section view of summary of the pressing plate of other embodiment 5 of expression.
Fig. 9 is the stereogram of the pressing plate of other embodiment 5 of expression.
Figure 10 is the below stereogram of the pressing plate of other embodiment 5 of expression.
Figure 11 (A) is the figure of temperature of the paper of the vertical view of pressing plate of expression prior art and corresponding position (B).
Symbol description
1... printer (tape deck); 10... feed portion; 11... roller media support; 12... supply platform; 20... conveying unit; 21... carrying roller is right; 22... conveyance driven roller; 23... conveyance driven voller; 30... record portion; 31... record head; 32... nozzle rows; 33... pressing plate; 34... medium bearing-surface; 35... attraction hole; 36... first parts; 37... second parts; 38... the 3rd parts; 39... screwed hole; 40... screw; 41... boundary line; 42... gap; 43... first heating arrangements; 44... heater; 45... plate-shaped member; 46... internal thread shape portion; 47... stream forms parts; 48... attract mechanism; 49... attraction fan; 50... discharge portion; 51... discharge platform; (60... other embodiment 1) pressing plate; 61... the 4th parts; 62... the 5th parts; 63... boundary line; (70... other embodiment 2) pressing plate; 71... the 6th parts; 72... the 7th parts; 73... the 8th parts; 74... screwed hole; 75... plate-shaped member; (80... other embodiment 3) pressing plate; 81... second heating arrangements; 82... warm air fan; (90... other embodiment 4) pressing plate; 91... first warm air fan; 92... second warm air fan; 93... first boundary line; 94... first gap; 95... second boundary line; 96... second gap; (100... other embodiment 5) pressing plate; 101... warm air fan; 200... the pressing plate of prior art; 201... first parts; 202... second parts; 203... the 3rd parts; 204... boundary line; 205... gap; 206... screwed hole; R... coil paper; X... width; Y... throughput direction; Z... the pressing plate direction relative with record head.
The specific embodiment
Below based on accompanying drawing embodiments of the present invention are described.
The side view of the summary of the integral body of the ink-jet printer of conduct one example of " tape deck " or " liquid injection apparatus " that expression that shown in Figure 1 is the present invention relates to (below be called " printer ") 1.
At this, liquid injection apparatus is not limited to from carrying out tape deck to inkjet recording device, duplicator and the facsimile machine etc. of the record that is recorded material as the record head 31 of jet head liquid to the injection of material ink that is recorded of record-paper etc., also comprise replace ink from the jet head liquid that is equivalent to above-mentioned record head 31 to the injected injection of material liquid corresponding that is equivalent to be recorded material with special-purpose, make the meaning of liquid attached to the device on the injected material.
And then, as jet head liquid, except above-mentioned record head 31, the electrode that the colored filter that also can enumerate LCD etc. is made employed colorant injector head, OLED display or face active display (FED) etc. forms that employed electrode material (conducting resinl) injector head, biochip are made employed organism organic matter injector head, the sample that sprays sample as accurate pipette sprays first-class.
As shown in Figure 1, printer 1 possesses feed portion 10, conveying unit 20, record portion 30 and discharge portion 50.Wherein, feed portion 10 state being arranged to make roller shape coil paper R as an example of printing medium to become to have liberated the roller state and carry to conveyance direction downstream side (direction of arrow of Y-axis).Particularly, feed portion 10 has the supply platform 12 of the coil paper R of the roller media support 11 of the coil paper R that keeps the roller shape and supporting liberation state.
Then, by make coil paper R in figure counter clockwise direction rotation and coil paper R carried to supplying with platform 12.Then, supply with after the state that platform 12 constitutes the conveyance direction downstream side that can make coil paper R and become the liberation roller conveying unit 20 guiding to conveyance direction downstream side.
In addition, in the present embodiment, be that example describes with coil paper R, but can certainly be sheet-fed.
Conveying unit 20 is arranged to can be with the coil paper R that sends here from feed portion 10 record portion 30 conveyances to conveyance direction downstream side.Particularly, conveying unit 20 possess have conveyance driven roller 22 and conveyance driven voller 23 carrying roller to 21.Wherein, conveyance driven roller 22 is by the power drive of not shown conveyance with motor.
In addition, conveyance driven voller 23 constitutes and the driven rotation of the rotation of conveyance driven roller 22.Thereby conveying unit 20 can be to the 30 conveyance coil paper R of record portion.
In addition, an axle that is provided in than conveyance driven roller 22 of conveyance driven voller 23 more relies on conveyance direction downstream side.Thus, on the relative Z-direction of pressing plate 33 described later and record head 31, produce the power that coil paper R is pressed into pressing plate 33 described later, can reduce coil paper R and float to record head 31 sides.
Record portion 30 constitutes and can carry out record to the coil paper R ejection ink of sending here from conveying unit 20.Particularly, record portion 30 has record head 31, pressing plate 33, first heating arrangements 43, attracts mechanism 48.Wherein, record head 31 is subjected to the power of not shown motor and moves to width X on one side by not shown leading axle guiding on one side, and from nozzle rows 32 ejection inks.
In addition, record head 31 also can constitute by leading axle and move to throughput direction.
In addition, record head 31 also can constitute by two guiding axial width X and throughput direction Y and move, and this is self-evident.
And then, also can be that record head 31 is fixed and extends the so-called line head printer that is provided with on width X.
In addition, pressing plate 33 is arranged to pass through rear support this coil paper R of medium bearing-surface 34 from coil paper R.And then pressing plate 33 is provided with first heating arrangements 43 and attracts mechanism 48.Wherein, first heating arrangements 43 is hot conduction-types, can the coil paper R on the pressing plate 33 be heated.
At this, " hot conduction-type " be meant by as the inside of the pressing plate 33 of object from the mode of high-temperature portion to low-temp. portion heat conduction.That is be pressing plate 33, by contacting the mode of heat conduction with coil paper R.
Heating coil paper R is in order to promote to be ejected into from record head 31 drying of the ink on the coil paper R.
And, by promoting the drying of ink, can carry out the so-called overlapping injection of further ejection ink droplet above the ink of drying.As a result, can carry out the record of high image quality.
In addition, by heating coil paper R, in discharge portion 50 described later, under the situation that the coil paper R of discharge is reeled by the roller shape, the ink on surface of not worrying coil paper R is attached to formerly or the back side of follow-up coil paper.
In addition, if sheet-fed, be discharged from and stacked situation under, the ink on surface of not worrying sheet-fed formerly is attached to the back side of stacked follow-up sheet-fed in the above.
Particularly, first heating arrangements 43 is heaters 44 of nichrome wire etc.And, be by making this nichrome wire energising, the structure of nichrome wire heating itself.Heater 44 is from installing by plate-shaped member 45 with medium bearing-surface 34 opposite sides of pressing plate 33.In other words, heater 44 is to be installed by the mode of pressing plate 33 and plate-shaped member 45 clampings.And, constitute the back side that can transfer heat to coil paper R by the medium bearing-surface 34 of pressing plate 33.
In addition, attract mechanism 48 to constitute air with medium bearing-surface 34 sides of pressing plate 33 to drawing with medium bearing-surface 34 opposite side draughts.Thereby, the coil paper R on the pressing plate 33 is adsorbed on the medium bearing-surface 34.Particularly, attract mechanism 48 to have a plurality of attractions hole 35,35..., stream forms parts 47 and attracts fan 49.Wherein, a plurality of attraction hole 35,35... are formed at pressing plate 33.In addition, stream forms the opposite side with pressing plate 33 sides that parts 47 are provided in plate-shaped member 45.
And then, attract fan 49 to be provided in the opposite side that stream forms parts 47 with plate-shaped member 45 sides.Stream forms the stream that parts 47 are arranged to from a plurality of attractions hole 35,35... connects air to attraction fan 49.And, attract fan 49, be negative pressure by the inside that makes stream form parts 47, from a plurality of attractions hole 35,35... attracts the air of medium bearing-surface 34 sides of pressing plate 33.And the air of attraction forms parts 47 by stream and is attracted fan 49 attractions, discharges to an opposite side.
Discharge portion 50 is arranged to and the coil paper R that is recorded in record portion 30 can be carried and discharges to conveyance direction downstream side.Particularly, discharge portion 50 has the platform 51 of discharge and not shown take up roll.Discharging platform 51 is arranged to and the coil paper R that is recorded can be guided to take up roll.In addition, the take up roll coil paper R that is arranged to reel and is directed.
In addition, if sheet-fed then also is provided with except take up roll and discharges tractor-drawn rake (not shown), the sheet-fed mounting is discharged tractor-drawn rake in this.
Then, pressing plate 33 of the present invention is elaborated.
Fig. 2 (A) shown in (B) is the vertical view and the front section view of the summary of expression pressing plate of the present invention.Wherein, Fig. 2 (A) is a vertical view.Fig. 2 (B) is a front section view.
As Fig. 2 (A) (B) shown in, the medium bearing-surface 34 of pressing plate 33 is formed by a plurality of parts.In the present embodiment, for example promptly first parts 36, second parts 37 and the 3rd parts 38 form by three parts.
And, form boundary line 41,41 by adjacent parts.In addition, 41,41 places are provided with gap 42 between adjacent parts in the boundary line.
The medium bearing-surface 34 of pressing plate 33 is formed by a plurality of parts, and 41,41 reasons that gap 42 is set are the expansions that absorb each parts that is caused by the heating of first heating arrangements 43 in the boundary line.Thereby, even under the situation that first parts 36, second parts 37 and the 3rd parts 38 expand by heating, do not worry that pressing plate 33 integral body are crooked significantly on Z-direction yet.As a result, do not worry owing to heating makes registration accuracy reduce.
In the present embodiment, two boundary line 41,41 left-right symmetry have both width X and throughput direction Y, and zigzag is bent to form.Thereby, can absorb first parts 36, second parts 37 and the 3rd parts 38 to the expansion of width X with to the expansion of throughput direction Y.As a result, deflection can be almost all eliminated, the stable distance between medium bearing-surface 34 and the record head 31 can be made to Z-direction.
In addition, as mentioned above, heater 44 sets in the mode of first parts 36, second parts 37 and the 3rd parts 38 and plate-shaped member 45 clampings that are configured pressing plate 33.More specifically, medium bearing-surface 34 sides at first parts 36, second parts 37 and the 3rd parts 38 are formed with a plurality of screwed holes 39,39....And a plurality of screw 40... insert logical screwed hole 39,39... from the top of Fig. 2 (A), engage with the internal thread shape 46... of portion of plate-shaped member 45.Thereby heater 44 can be installed under with posture parallel with medium bearing-surface 34 and pressing plate 33 tight state of contact.As a result, can transmit heat to the medium bearing-surface 34 of pressing plate 33 equably.
Then, width X and throughput direction Y are had both in boundary line 41,41, do not describe on throughput direction Y, not become the action effect that a linearity is bent to form.
Shown in Fig. 3 (A) is the vertical view of similarly representing the summary of pressing plate with Fig. 2 (A).In addition, be the figure of the temperature of the coil paper corresponding shown in Fig. 3 (B) with the position of the width of the pressing plate shown in Fig. 3 (A).The longitudinal axis is represented temperature.On the other hand, transverse axis is represented the position of the coil paper corresponding with the position of the width of pressing plate.
As Fig. 3 (A) (B) shown in, if coil paper R sees through pressing plate 33 on throughput direction Y, then temperature rises owing to heated by heater 44.
At this, in Fig. 3 (B), shown in the dotted line is temperature by the coil paper R of the state before the pressing plate 33.On the other hand, shown in the solid line be by after the temperature of coil paper R of state.
Under by the state before the pressing plate 33, the temperature of coil paper R is uniform on width X.
And, if coil paper R passes through pressing plate 33 on throughput direction Y, then because coil paper R accepts heat from heater 44 via pressing plate 33, so temperature rises.
At this, 41,41 places in the boundary line because gapped 42, are difficult to transmit heat to the position relative with gap 42 of coil paper R.
Therefore, in the present embodiment, be bent to form boundary line 41,41 with having both width X and throughput direction Y.Each of position A～G on width X described.
The coil paper R of position A by width X, owing to be not subjected to the influence in the gap 42 of boundary line 41,41, so be easy to be subjected to heat.Thereby temperature is higher.
By the coil paper R of position B, on throughput direction Y, pass through a zigzag section boundary line 41.Throughput direction upstream side at pressing plate 33 partly is difficult to accept heat, but can accept heat fully in the throughput direction mid portion and the conveyance direction downstream side part of pressing plate 33.Thereby to compare temperature low a little with coil paper R by position A.
In addition, shorten one section the length of the zigzag throughput direction Y of boundary line 41, the temperature that can make the coil paper R by position B more is near the temperature of the coil paper R by position A, and this is self-evident.
In addition, to describing near the B of position.Near the B of position and as 80 one sides in Fig. 3 (A) left side (B) of position B, boundary line 41 is not set.Thereby the temperature of the coil paper R 80 one sides of position B near becomes the temperature same with position A.On the other hand, near the B of position and as 1 one side on Fig. 3 (A) right side (B) of position B, extend on width X boundary line 41.Thereby the temperature of the coil paper R 1 one side of position B near is identical with the temperature of position C described later.
That is, the temperature of the coil paper R by position B near, only position B a bit, lower with the temperature of coil paper R by position A.And, identical with the temperature of coil paper R by position A near the B of position, perhaps compare low a little with the temperature of coil paper R by position A.In other words, only position B a bit, it is low slightly that temperature becomes, near the B of position, roughly the same with the temperature of coil paper R by position A.
Coil paper R by position C is that the mode of amount in gap 42 is by boundary line 41 to cross over width as boundary line 41 on throughput direction Y.That is, though coil paper R this leap be difficult to accept heat in a flash, contact with the medium bearing-surface 34 of pressing plate 33 at other position, so can accept heat fully.Thereby, low slightly with the coil paper R C.T that passes through position A.
In addition, for for the temperature of the coil paper R the C of position near, because the identical condition of position C of on width X, extending with boundary line 41, so identical with the temperature of coil paper R by position C.That is, the temperature by near the coil paper R the C of position is uniform on width X.
Coil paper R by position D passes through a zigzag section boundary line 41 on throughput direction Y.The throughput direction mid portion of pressing plate 33 is difficult to accept heat, but can accept heat fully in the throughput direction upstream side part and the downstream part of pressing plate 33.Thereby to compare temperature low slightly with coil paper R by position A.That is, with the identical level of temperature of coil paper R by position B.
In addition, for the temperature of the coil paper R by position D near, near same with position B.Omit its explanation.
By the coil paper R of position E, C is same with the position, passes through boundary line 41 with leap as the mode in the gap 42 of the width of boundary line 41 on throughput direction Y.That is, though coil paper R this leap be difficult to accept heat in a flash, contact with the medium bearing-surface 34 of pressing plate 33 at other position, so can accept heat fully.Thereby, low slightly with the coil paper R C.T that passes through position A.That is, with the identical level of temperature of coil paper R by position C.
In addition, for the temperature of the coil paper R by position E near, near same with position C.Omit its explanation.
Coil paper R by position F passes through a zigzag section boundary line 41 on throughput direction Y.Conveyance direction downstream side at pressing plate 33 partly is difficult to accept heat, but can accept heat fully at the throughput direction upstream side part and the mid portion of pressing plate 33.Thereby, low slightly with the coil paper R C.T that passes through position A.That is, become the identical level of temperature with coil paper R by position B.
In addition, for the temperature of the coil paper R by position F near, near same with position B.Omit its explanation.
By the coil paper R of position G, A is same with the position, owing to be difficult to be subjected to the influence in the gap 42 of boundary line 41, so be easy to accept heat.Thereby temperature is higher.That is, become the identical level of temperature with coil paper R by position A.
In addition, only to two boundary lines 41,41 is illustrated, but owing to be left-right symmetry, so another is too.Omit its explanation.
More than, as mentioned above, by being bent to form boundary line 41,41, relatively can reduce the temperature deviation of the width X of the coil paper R by pressing plate 33 with prior art ((B)) with reference to Figure 11 (A) with having both width X and throughput direction Y.As a result, can reduce temperature inequality and the uneven drying of width X.In addition, also can reduce the variable color inequality of the ink that causes by the temperature inequality.
In addition, boundary line 41,41 does not constitute with respect to throughput direction Y.Thereby, when the end of coil paper R is positioned on the boundary line 41,41, does not worry producing this end and be stuck in boundary line 41,41, the diagonal of paper integral body, the so-called paper folding of the end warpage of paper.
In addition, in the above-described embodiments, the boundary line constitutes 3 sections zigzag fashion, but also can be several sections.
In addition, the boundary line might not be a zigzag fashion.So long as not a rectilinear form, at a place or many places are crooked gets final product.
And then the boundary line can certainly be to be branched off into two strands, three strands structure.
Printer 1 as the tape deck of present embodiment possesses: as the pressing plate 33 of medium support, it is divided into a plurality of parts i.e. first parts 36, second parts 37 and the 3rd parts 38, by the medium bearing-surface 34 that first parts 36, second parts 37 and the 3rd parts 38 form as bearing-surface, support the coil paper R of an example of the printing medium of being sent here by medium bearing-surface 34; Heater 44, it is arranged at pressing plate 33, and is an example of hot conduction-type first heating arrangements 43 that the coil paper R that is supported on pressing plate 33 is heated; And the record head 31 that coil paper R ejection ink is write down, on the medium bearing-surface 34 of pressing plate 33, by the boundary line 41,41 that the gap 42 of 38 of first parts 36, second parts 37 and the 3rd parts forms, have both coil paper R throughput direction Y and width X ground, constitute so that the mode that does not become a linearity on throughput direction Y is crooked.
[other embodiment 1]
The vertical view of the summary of the pressing plate of shown in Figure 4 is other embodiment 1 of expression.
As shown in Figure 4, the medium bearing-surface 34 of the pressing plate 60 of other embodiment 1 is formed by a plurality of the 4th parts 61,61... and a plurality of the 5th parts 62,62.
In addition, for the parts beyond the parts that specify, since same with above-mentioned embodiment, thus identical symbol used, and omit its explanation.
The medium bearing-surface 34 of the pressing plate 60 of other embodiment 1 in throughput direction upstream side part, is formed by three the 4th parts 61,61....In addition, at the throughput direction intermediate member, form by two the 4th parts 61,61 of the center side that is equipped on width X and two the 5th parts 62,62 that are equipped on the both sides side of width X.And then, same in the conveyance direction downstream side part with the upstream side part, form by three the 4th parts 61,61....That is, be other distortion that forms medium bearing-surface 34 with the parts of quantity different from the embodiment described above and difform parts.
And, same by the boundary line 63 that each adjacent parts form with above-mentioned embodiment, have both width X and throughput direction Y ground is bent to form in the mode that does not become a linearity on throughput direction Y.Thereby, can access the action effect same with above-mentioned embodiment.
Particularly, compared with prior art can reduce the temperature deviation of the width X of the coil paper R that has passed through pressing plate 60.
In addition, preferably the throughput direction upstream side of pressing plate 60 part at the boundary line 63a that extends on the throughput direction Y with in the position of the boundary line 63b that on throughput direction Y, extends of conveyance direction downstream side part, not overlapping on width X.The temperature that can reduce coil paper R is compared the degree of decline with the temperature at other position.That is the position that, can dispersion temperature reduces.
[other embodiment 2]
Fig. 5 (A) shown in (B) is the figure of summary of the pressing plate of other embodiment 2 of expression.Wherein, Fig. 5 (A) is a vertical view.On the other hand, Fig. 5 (B) is a front section view.
As Fig. 5 (A) (B) shown in, a plurality of screwed holes 74, the 74... that install for heater 44 and plate-shaped member 75 on the pressing plate 70 of other embodiment 2 are formed at plate-shaped member 75.That is, on medium bearing-surface 34, do not form screwed hole 39,39... (with reference to Fig. 2 (A)).
In addition, for the parts beyond the parts that specify, since same with above-mentioned embodiment, thus identical symbol used, and omit its explanation.
A plurality of screw 40... in screwed hole 74,74, are fixed from the insertion of plate-shaped member 75 side direction pressing plates 70 sides and the screw of Z-direction.In this case, in pressing plate 70 sides the internal thread shape 46... of portion is set certainly.
Thereby, can be at position, at the medium bearing-surface 34 that does not have to form on the concavo-convex even surface pressing plate 70 except the gap 42 of boundary line 41,41.
That is, can constitute the concavo-convex structure that does not cause because of screwed hole 39,39... (with reference to Fig. 2 (A)).Thereby the position except the gap 42 of boundary line 41,41 can make medium bearing-surface 34 contact equably with coil paper R.
As a result, the heat of heater 44 can be delivered to coil paper R equably by pressing plate.
In addition, the medium bearing-surface 34 of pressing plate 70 is provided with under the situation of screwed hole 39,39... (with reference to Fig. 2 (A)), can cover with cap assembly (not shown) in the fixing back of screw to eliminate concavo-convex at screwed hole 39,39....In this case, might between cap assembly and screw 40..., produce useless space and become the reason that heat is conducted deviation.
Therefore, the pressing plate 70 of other embodiment 2 is from heater 44 being installed on the structure of this pressing plate 70 with medium bearing-surface 34 opposite sides.Thereby the pressing plate 70 of other embodiment 2 is compared with eliminate concavo-convex structure with cap assembly, can conduct coil paper R more equably.That is, can reduce the deviation of the temperature of coil paper R.
In addition, can certainly in medium bearing-surface 34 sides screwed hole be set in the part that does not have mounting coil paper or sheet-fed of the medium bearing-surface 34 of pressing plate 70.
In other embodiment 2, it is characterized in that, as the heater 44 of first heating arrangements 43, from fixing with medium bearing-surface 34 opposite side screws of pressing plate 70.
In addition, in other embodiment 2, it is characterized in that the position of the 6th parts 71, the 7th parts 72 and the 8th parts 73 beyond the gap 42 of the boundary line 41,41 of the medium bearing-surface 34 of pressing plate 70 is the level and smooth even surfaces that form on same one side.
[other embodiment 3]
The front section view of the summary of the pressing plate of shown in Figure 6 is other embodiment 3 of expression.
As shown in Figure 6, the pressing plate 80 of other embodiment 3 has second heating arrangements 81 of the convection type that the coil paper R on the pressing plate 80 is heated.
At this, " convection type " is meant the mode of transmitting heat by the fluid of gas, liquid etc.
Particularly, second heating arrangements 81 is warm air fans 82.The internal structure of warm air fan 82 is made of the wind-force generating mechanism of the hot generating mechanism (not shown) of nichrome wire etc. and fan etc.
In addition, for the parts beyond the parts that specify, since same with above-mentioned embodiment, thus identical symbol used, and omit its explanation.
And warm air fan 82 is provided in an opposite side with pressing plate 80 sides of plate-shaped member 75.In addition, can blow warm braw from the coil paper R of gap 42 on pressing plate 80 of the boundary line 41,41 of the medium bearing-surface 34 of pressing plate 80 via stream portion 83.Thereby, transmit gap 42 loss parts of Re Shiyin boundary line 41,41 via pressing plate 80 to coil paper R from heater 44, supply with heat by warm air fan 82 to coil paper R.
As a result, can further reduce little by little deviation of the temperature of the coil paper R that the gap 42 by boundary line 41,41 causes.
In addition, the air-supply power of warm air fan 82 is compared with the attraction that attracts fan 49, and is enough little, hardly the attraction that attracts fan 49 impacted.Suppose that air-supply force rate attraction is big, then be difficult to utilize hot conduction-type that the heat of heater 44 is conducted to coil paper R.In addition, the posture of coil paper R can become unstable.
In other embodiment 3, it is characterized in that, in pressing plate 80, has warm air fan 82 as an example of convection type second heating arrangements 81, its a plurality of parts via boundary line 41,41 are the gap 42 between the 6th parts 71, the 7th parts 72 and the 8th parts 73, and the coil paper R on the medium bearing-surface 34 is blown warm braw.
[other embodiment 4]
The front section view of the summary of the pressing plate of shown in Figure 7 is other embodiment 4 of expression.
As shown in Figure 7, the pressing plate 90 of other embodiment 4, same with above-mentioned other embodiment 3, have second heating arrangements 81.
In addition, for the parts beyond the parts that specify, since same with above-mentioned embodiment, thus identical symbol used, and omit its explanation.
The pressing plate 90 of other embodiment 4 has a plurality of warm air fans as second heating arrangements 81.Particularly, have first warm air fan 91 and second warm air fan 92.First warm air fan 91 can blow warm braw to coil paper R from first gap 94 of one first boundary line 93 among two boundary lines (41).
In addition, warm braw is blown to coil paper R in second gap 96 of second boundary line 95 of another that second warm air fan 92 can be among two boundary lines (41).
And not shown control part constitutes, and opens the warm air fan of either or both according to the width dimensions of coil paper R.Promptly, select the gap (42) of the boundary line (41) relative, and only blow warm braw to coil paper R from the gap relative (42) with this with coil paper R according to the size of coil paper R.Thereby, at unwanted position, do not send warm braw, therefore not waste.
In addition, warm air fan also can be one, be provided with a plurality of to the boundary line stream of the warm braw in the gap (42) of (41).In this case, also can open and close valve be set respectively at a plurality of streams, control part is controlled the switching of stream respectively.
[other embodiment 5]
The front section view of the summary of the pressing plate of shown in Figure 8 is other embodiment 5 of expression.In addition, shown in Figure 9 is the stereogram of the pressing plate of other embodiment 5 of expression.And then shown in Figure 10 is the below stereogram of the pressing plate of other embodiment 5 of expression.
In addition, in order to understand Fig. 9 and Figure 10 easily, omit the diagram of the sidewall of frame.
To shown in Figure 10, the pressing plate 100 of other embodiment 5 has warm air fan 101 as Fig. 8.
In addition, for the parts beyond the parts that specify, since same with above-mentioned embodiment, thus identical symbol used, and omit its explanation.
The warm air fan 101 of other embodiment 5 is the structures that have both the attraction mechanism 48 (with reference to Fig. 1) of second heating arrangements 81 of above-mentioned other embodiment 3 and above-mentioned embodiment.Particularly, warm air fan 101 similarly sets with the attraction fan 49 of the attraction mechanism 48 of above-mentioned embodiment.Thereby, can be from being formed at a plurality of attractions hole 35,35 of pressing plate 100 ... attract the air of medium bearing-surface 34 sides.
At this, owing to pass through the heater 44 heat medium bearing-surfaces 34 of first heating arrangements 43, so near the air on the medium bearing-surface 34 also is heated.Thereby the air that is attracted is comparatively gentle air.And the air that warm air fan 101 should gentleness is discharged to the frame 102 of the below that is disposed at pressing plate 100.If further continue to discharge gentle air to frame 102, then the air of the inside of frame 102 is pressed and is uprised, and gentle air 41,41 gap 42 is sent to medium bearing-surface 34 from the boundary line.
Thereby 41,41 the gap 42 in the boundary line can provide heat to coil paper R.That is, heat at the position of the relative coil paper R in the gap 42 of the heat of the air of the gentleness that utilize to attract pair and boundary line 41,41.At this moment, same with second heating arrangements 81 of above-mentioned other embodiment 3, can further reduce little by little deviation of the temperature of the coil paper R that the gap 42 because of boundary line 41,41 causes.In addition, can reduce the waste of thermal energy.That is, can transmit heat effectively to coil paper R from heater 44 by " hot conduction-type " and " convection type ".
In addition, by the warm air fan 101 as second heating arrangements 81 cause the air-supply power from the gap 42 of boundary line 41,41, the warm air fan 101 that likens to attracting mechanism 48 is little from the attraction that attracts hole 35,35... to attract, this is self-evident.
Suppose that air-supply force rate attraction is big, then be difficult to transmit the heat of heater 44 to coil paper R by hot conduction-type.In addition, the posture of coil paper R becomes unstable.
Therefore, in order to make air-supply force rate attraction little, at frame 102 hole is set, can adjusts and make air-supply power diminish, this is self-evident.
In other embodiment 5, it is characterized in that, possess: a plurality of attractions hole 35, the 35... that are arranged at the medium bearing-surface 34 of pressing plate 100, with via attract hole 35,35... with the air of medium bearing-surface 34 sides of pressing plate 100 to medium bearing-surface 34 opposite side draughts draw as the warm air fan 101 that attracts mechanism 48, convection type second heating arrangements 81 utilizes the exhaust when attracting by the air of hot conduction-type first heating arrangements 43 heating as the warm air fan 101 that attracts mechanism 48, blows warm braw via 42 couples of coil paper R in gap of boundary line 41,41.
In addition, the present invention is not limited to the foregoing description, can carry out various distortion in the scope of invention that the scope of claim is put down in writing, and these distortion are also contained in the scope of the present invention certainly.

Claims (5)

1. tape deck is characterized in that possessing:
The medium support, it is divided into a plurality of parts, forms bearing-surface by these a plurality of each parts, the printing medium that utilizes described bearing-surface supporting to carry;
Hot conduction-type first heating arrangements, it is arranged at this medium support, and the printing medium that is supported on this medium support is heated; With
Record head, it is to the printing medium ejection ink line item of going forward side by side,
On the described bearing-surface of described medium support, by the boundary line that the gap between described a plurality of parts forms, have both throughput direction and width that printing medium is arranged, constitute so that the mode that does not become a linearity on throughput direction is crooked.
2. tape deck according to claim 1 is characterized in that,
Have convection type second heating arrangements at described medium support, this described convection type second heating arrangements blows warm braw via the gap between described a plurality of parts of described boundary line to the printing medium on the described bearing-surface.
3. tape deck according to claim 2 is characterized in that possessing:
Be arranged on a plurality of attractions hole of the described bearing-surface of described medium support; With
Via this attraction hole with the air of the described bearing-surface side of described medium support to the attraction mechanism that an opposite side draught with this bearing-surface draws,
Described convection type second heating arrangements utilizes the exhaust when attracting by the air of described hot conduction-type first heating arrangements heating by described attraction mechanism, and via the gap of described boundary line printing medium is blown warm braw.
4. according to each described tape deck in the claim 1 to 3, it is characterized in that,
Described first heating arrangements is from fixing with the opposite side screw of described bearing-surface of described medium support.
5. according to each described tape deck in the claim 1 to 4, it is characterized in that:
Position beyond the gap of the described boundary line in the described bearing-surface of described medium support is formed in the smooth even surface on the one side.
CN200910226193A 2008-12-24 2009-11-24 Printing apparatus Pending CN101758669A (en)

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JP2008327904A JP2010149319A (en) 2008-12-24 2008-12-24 Recording apparatus
JP2008-327904 2008-12-24

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WO2011027560A1 (en) * 2009-09-02 2011-03-10 株式会社ミマキエンジニアリング Inkjet printer and printing method
JP5720345B2 (en) * 2011-03-18 2015-05-20 セイコーエプソン株式会社 Recording device
JP5944332B2 (en) * 2013-02-26 2016-07-05 富士フイルム株式会社 Medium conveying apparatus and image forming apparatus
US9272301B2 (en) * 2013-03-01 2016-03-01 S. Dana Seccombe Apparatus and method for non-contact manipulation, conditioning, shaping and drying of surfaces
DE102013113065B4 (en) 2013-11-26 2018-08-30 Marabu Gmbh & Co. Kg printing device
JP6851707B2 (en) 2014-05-14 2021-03-31 株式会社ミマキエンジニアリング inkjet printer
WO2015185085A1 (en) * 2014-06-02 2015-12-10 Hewlett-Packard Development Company, L.P. Print zone assembly, print platen device, and large format printer
JP6798099B2 (en) 2015-10-02 2020-12-09 セイコーエプソン株式会社 Printing equipment
KR101816096B1 (en) * 2015-12-09 2018-01-08 (주)디지아이 Flatten device of digital printing machine
JP6517160B2 (en) * 2016-02-10 2019-05-22 株式会社沖データ inkjet printer
JP6865000B2 (en) * 2016-08-25 2021-04-28 理想科学工業株式会社 Sheet transfer device

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US5668584A (en) * 1992-05-01 1997-09-16 Hewlett-Packard Company Method of multiple zone heating of inkjet media using screen platen
JP3839316B2 (en) 2001-12-25 2006-11-01 武藤工業株式会社 Inkjet recording device

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Application publication date: 20100630